Industrial News
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Cooling rate of X80 pipeline steel welding heat affected zone
For long-distance natural gas pipeline, using high grade pipeline steel is the main way to save costs. Canada’s pipeline industry practice proved that: compared with the X60, adoption of X70 pipeline wall thickness can be reduced 14%;Compared with X70, adoption of X80 pipeline wall thicknes...Read more -
Cooling in continuous casting
Continuous casting process is gradually cooled and solidified by forced into a hot slab physical process, but also the slab during solidification to withstand solidification shrinkage, cooling shrinkage, shrinkage phase transition shrinkage stress, thermal stress caused by temperature gradients, ...Read more -
ASTM Standard
For the ASTM standard, different material with different steel grade,besides, their mechanical properties and chemical composition, metallurgical properties are all different. There are list for astm standard with different steel grade. ASTM A53 / A53M Standard Specification for Pipe, Steel, Bla...Read more -
Anticorrosion 3pe coating technology
Pipeline three-layer PE anti-corrosion is new technology in pipeline anticorrosion industry. The three PE covering comprehensive Lou overlay advantages, its bonding properties, electrical insulation properties, water resistance and anti-corrosion performance and mechanical strength and toughness ...Read more -
Causes of steel pipe recrystallization texture
In the hot deformation, the grains, impurities and defects in the second phase and a variety of metal inside the maximum extension along the main deformation direction is elongated, attenuated, and the intensity of the formation of the fiber direction is higher than the strength of the material i...Read more -
Antirust varnish for oil pipeline
The surge in oil demand is driven by the rapid development of oil exploration, acquisition, refining, and petroleum equipment manufacturing. The production scale of China’s oil pipeline has reached an annual output of 4 million tons. In order to prevent the corrosion of the steel pipe, oil ...Read more